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The Creamiest Scalloped Potatoes Recipe (Easy & Foolproof)

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  • Author: Evelyn Marcella Rivera
  • Total Time: 1 hour 40 minutes
  • Yield: 10 people 1x

Description

Layers of tender Yukon Gold potatoes bake in a velvety garlic-onion cream sauce until golden and bubbling—then rest to set into the creamiest, most foolproof scalloped potatoes you’ll ever make.

Ingredients

Units Scale
  • 1/4 cup Salted butter
  • 1 large Yellow onion diced (About 1 cup)
  • 2 cloves Garlic minced
  • 1/4 cup All-purpose flour
  • 2 cups Milk Whole or 2%
  • 1 cup Chicken broth Low-sodium preferred
  • 1 1/4 tsp Kosher salt (Divided)
  • 1/2 tsp Black pepper (Divided)
  • 3 lb Yukon Gold or red potatoes (Sliced 1/8-inch thick)

Instructions

Prep Potatoes & Oven:

  1. Preheat oven to 400 °F (200 °C). Grease a 9×13 dish.
  2. Slice potatoes 1/8″ thick on a mandoline; place in cold water to prevent browning. Drain and pat dry.

Make the Cream Sauce:

  1. In a saucepan over medium heat, melt butter. Add diced onion; sauté until soft, 5–7 min.
  2. Stir in garlic; cook 1 min. Sprinkle flour over onions, stirring constantly for 1 min to form a roux.

Whisk to Perfection:

  1. Slowly pour in chicken broth while whisking to avoid lumps. Then whisk in milk.
  2. Simmer, stirring, until sauce thickens to coat a spoon, 5–8 min. Remove from heat; stir in 1 tsp salt and ¼ tsp pepper.

Layer the Casserole:

  1. Arrange one-third of potatoes in the dish, overlapping. Season with ⅓ tsp salt and ⅙ tsp pepper. Pour over one-third of sauce.
  2. Repeat twice more, ending with sauce on top.

Bake Covered then Uncovered:

  1. Cover tightly with foil; bake 40 min. Remove foil; bake 20–30 min more until top is golden and potatoes are tender.

Rest & Serve:

  1. Let rest 10 min before slicing so the sauce sets. Serve warm.

Notes

  • Even Cooking: Pre-making a thick sauce prevents watery potatoes.

  • Potato Choice: Yukon Golds hold shape; reds also work.

  • Make-Ahead: Assemble through layering, cover, refrigerate up to 8 hrs, then bake as directed.

  • Add-Ins: Stir in fresh thyme or shredded Gruyère for extra flavor.

  • Leftovers: Store covered up to 3 days; reheat in a 350 °F oven until warmed through.

 
  • Prep Time: 20 minutes
  • Cook Time: 1 hour 10 minutes
  • Category: Side Dish
  • Cuisine: American, International Recipes

Nutrition

  • Calories: 210

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Find it online: https://blesseddish.com/the-creamiest-scalloped-potatoes-recipe-easy-foolproof/